ST3M653C4-10A — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M653C4-10A: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, thread_length: 0.469 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-268-5973, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

ST3M653C4-10A

NSN: 5305-01-268-5973
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
head_height	0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
thread_length	0.469 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
shoulder_length	0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN
special_features	O-RING INCLUDED P/N ST7M251-8
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-01-268-5973

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN

•

SHOULDER DIAMETER: 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.469 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
FASTENER LENGTH	1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SHOULDER LENGTH	0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER	0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.469 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 2

HT4020-4-10AXReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

11927C4-10ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST3M653C4-10A?

ST3M653C4-10A is a SCREW,SHOULDER.

What parts can replace ST3M653C4-10A?

There are 2 known substitutes for ST3M653C4-10A: HT4020-4-10AX, 11927C4-10A. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M653C4-10A?

ST3M653C4-10A is cataloged in the U.S. Government catalog under NSN 5305-01-268-5973. This indicates validated use in U.S. government and defense supply chains.

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